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Fig. 6-8: Adding wood (50 cm log)
For 33cm logs, always place the first layer in
front of the ignition door lengthwise in the boiler,
so that it ignites quickly. Only place the 33 cm logs
crossways at the end of the fuel chamber. Insert all
other layers like the first layer.
Fig. 6-9: 33 cm log
Adjusting a log over burn-through opening
Lift the bottom log above the burn-through opening in
the grate with the poker and place small pieces of coal
(from the fuel chamber) or small pieces of wood
underneath so that the burn-through openings in the
grate remain free. To make ignition easier, next to the
log on the left and right there should be a small gap
separating it from the neighbouring logs.
Fig. 6-10: Keeping the burn-through opening free
Place only one oversized log on top
Only one oversized split log or one stump piece can be
placed in the top layers, but no more. Two combustion
phases may be needed for complete combustion.
Fig. 6-11: oversized log
Brushwood, coarse wood chips, unsplit logs and
untreated wood waste should be added only as a
secondary fuel among the split logs.
First, place half of the required amount of logs in the
fuel chamber (at least 3 layers). Then alternately add
the secondary fuel (brushwood, coarse wood chips,
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